Throwing up is kind of like pooping the wrong way, so it shouldn't be a surprise that it tastes kind of bad and that taste lingers much longer than you'd like. Next time you vomit, however, Instructables user tori1012 has a solution that will return your mouth—and the rest of your body—to a fresher state. All you need to do is follow these steps:

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Prepare a shower hot enough to create some steam in the room. A shower will help you remove any vomit that may be on you, plus the steam will unclog your sinuses (which are likely clogged by a little vomit that found its way up there—mmm).

Before exiting your homemade steam room, blow your nose with some tissues. The steam may have unclogged your nose, but that doesn't mean it removed any vomit still lodged in there. Get it out! You'll also want to keep water and washcloths near by in case things are extraordinarily bad and some cleaning will be required.

Gargle with mouthwash to kill the smell. If you don't have mouthwash, vodka is a decent substitute.

Drink some cranberry juice to overpower the awful taste in your mouth, ginger ale to settle your stomach a bit, and Gatorade (or any other electrolyte-heavy drink) to re-hydrate.

It's worth noting that if you are vomiting pretty violently, eating or drinking won't be a good idea because you won't be able to keep it down. That said, you should be able to endure the other steps to at least make yourself a little less gross. Happy puking!